A desktop computer (or desktop PC) is a computer that is designed to stay in a single location. It may be a tower
(also known as a system unit) or an
all-in-one machine, such as an iMac. Unlike laptops and other
portable devices, desktop computers cannot be powered from an internal battery
and therefore must remain connected to a wall outlet.
In the early age of computers, desktop computers were the only
personal computers available. Since laptops and tablets did not exist, all home
PCs were desktop computers. Still, the term "desktop computer" was
used back then to differentiate between personal PCs and larger computers, such
as mainframes and supercomputers.
While desktop computers were the most popular type of personal
computer for several decades, in recent years, laptop sales have surpassed
those of desktop PCs. Because of the rise in mobile computing, this trend is
likely to continue. However, desktop computers remain the most popular choice
for business workstations and family
computers.
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